could solder
Regular verb: solder - soldered- soldered

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could solder
you could solder
she could solder
we could solder
you could solder
they could solder 	I could be soldering
you could be soldering
she could be soldering
we could be soldering
you could be soldering
they could be soldering	I could have soldered
you could have soldered
she could have soldered
we could have soldered
you could have soldered
they could have soldered	I could have been soldering
you could have been soldering
she could have been soldering
we could have been soldering
you could have been soldering
they could have been soldering	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I couldn't solder
you couldn't solder
she couldn't solder
we couldn't solder
you couldn't solder
they couldn't solder 	I couldn't be soldering
you couldn't be soldering
she couldn't be soldering
we couldn't be soldering
you couldn't be soldering
they couldn't be soldering	I couldn't have soldered
you couldn't have soldered
she couldn't have soldered
we couldn't have soldered
you couldn't have soldered
they couldn't have soldered	I couldn't have been soldering
you couldn't have been soldering
she couldn't have been soldering
we couldn't have been soldering
you couldn't have been soldering
they couldn't have been soldering	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I solder?
could you solder?
could she solder?
could we solder?
could you solder?
could they solder? 	could I be soldering?
could you be soldering?
could she be soldering?
could we be soldering?
could you be soldering?
could they be soldering? 	could I have soldered?
could you have soldered?
could she have soldered?
could we have soldered?
could you have soldered?
could they have soldered? 	could I have been soldering?
could you have been soldering?
could she have been soldering?
could we have been soldering?
could you have been soldering?
could they have been soldering? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
couldn't I solder?
couldn't you solder?
couldn't she solder?
couldn't we solder?
couldn't you solder?
couldn't they solder? 	couldn't I be soldering?
couldn't you be soldering?
couldn't she be soldering?
couldn't we be soldering?
couldn't you be soldering?
couldn't they be soldering? 	couldn't I have soldered?
couldn't you have soldered?
couldn't she have soldered?
couldn't we have soldered?
couldn't you have soldered?
couldn't they have soldered? 	couldn't I have been soldering?
couldn't you have been soldering?
couldn't she have been soldering?
couldn't we have been soldering?
couldn't you have been soldering?
couldn't they have been soldering?